./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:24:01,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:24:01,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:24:01,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:24:01,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:24:01,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:24:01,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:24:01,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:24:01,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:24:01,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:24:01,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:24:01,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:24:01,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:24:01,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:24:01,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:24:01,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:24:01,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:24:01,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:24:01,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:24:01,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:24:01,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:24:01,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:24:01,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:24:01,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:24:01,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:24:01,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:24:01,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:24:01,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:24:01,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:24:01,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:24:01,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:24:01,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:24:01,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:24:01,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:24:01,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:24:01,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:24:01,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:24:01,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:24:01,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:24:01,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:24:01,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:24:01,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:24:01,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:24:01,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:24:01,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:24:01,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:24:01,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:24:01,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:24:01,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:24:01,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:24:01,848 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:24:01,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:24:01,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:24:01,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:24:01,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:24:01,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:24:01,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:24:01,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:24:01,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:24:01,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:24:01,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:24:01,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:24:01,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:24:01,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:24:01,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:24:01,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:24:01,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:24:01,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:24:01,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:24:01,851 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:24:01,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:24:01,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:24:01,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:24:01,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-12-16 03:24:02,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:24:02,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:24:02,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:24:02,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:24:02,067 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:24:02,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-12-16 03:24:02,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898cacb65/724a7c1020a64507b4da307635782de7/FLAG7b93e8c84 [2021-12-16 03:24:02,729 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:24:02,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-12-16 03:24:02,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898cacb65/724a7c1020a64507b4da307635782de7/FLAG7b93e8c84 [2021-12-16 03:24:02,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898cacb65/724a7c1020a64507b4da307635782de7 [2021-12-16 03:24:02,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:24:02,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:24:02,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:24:02,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:24:02,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:24:02,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:24:02" (1/1) ... [2021-12-16 03:24:02,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1262d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:02, skipping insertion in model container [2021-12-16 03:24:02,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:24:02" (1/1) ... [2021-12-16 03:24:02,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:24:03,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:24:03,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-12-16 03:24:03,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-12-16 03:24:03,795 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:03,795 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:03,796 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:03,798 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:03,799 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:03,809 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:03,810 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:03,811 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:03,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,025 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:24:04,026 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:24:04,027 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:24:04,031 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:24:04,032 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:24:04,033 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:24:04,033 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:24:04,034 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:24:04,035 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:24:04,035 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:24:04,176 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:24:04,265 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,265 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:24:04,400 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:24:04,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-12-16 03:24:04,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-12-16 03:24:04,459 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,460 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,460 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,461 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,461 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,467 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,468 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,469 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,469 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,496 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:24:04,497 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:24:04,498 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:24:04,498 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:24:04,499 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:24:04,500 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:24:04,500 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:24:04,500 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:24:04,500 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:24:04,501 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:24:04,520 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:24:04,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:24:04,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:24:04,772 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:24:04,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04 WrapperNode [2021-12-16 03:24:04,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:24:04,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:24:04,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:24:04,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:24:04,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:04,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:04,921 INFO L137 Inliner]: procedures = 690, calls = 2740, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2021-12-16 03:24:04,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:24:04,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:24:04,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:24:04,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:24:04,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:04,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:04,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:04,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:04,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:04,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:04,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:05,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:24:05,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:24:05,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:24:05,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:24:05,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (1/1) ... [2021-12-16 03:24:05,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:24:05,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:24:05,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 03:24:05,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 03:24:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-16 03:24:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-16 03:24:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:24:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-16 03:24:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-16 03:24:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2021-12-16 03:24:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-12-16 03:24:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-12-16 03:24:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 03:24:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 03:24:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:24:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 03:24:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 03:24:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-16 03:24:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-16 03:24:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-16 03:24:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-16 03:24:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:24:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:24:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:24:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:24:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:24:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-16 03:24:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-16 03:24:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 03:24:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:24:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-16 03:24:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-16 03:24:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 03:24:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 03:24:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-12-16 03:24:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-12-16 03:24:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:24:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-16 03:24:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-16 03:24:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:24:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:24:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2021-12-16 03:24:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2021-12-16 03:24:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-16 03:24:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-16 03:24:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-16 03:24:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-16 03:24:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-16 03:24:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-16 03:24:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:24:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2021-12-16 03:24:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2021-12-16 03:24:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2021-12-16 03:24:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:24:05,345 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:24:05,347 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:24:05,527 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2021-12-16 03:24:05,924 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:24:05,929 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:24:05,930 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 03:24:05,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:24:05 BoogieIcfgContainer [2021-12-16 03:24:05,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:24:05,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:24:05,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:24:05,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:24:05,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:24:02" (1/3) ... [2021-12-16 03:24:05,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab62ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:24:05, skipping insertion in model container [2021-12-16 03:24:05,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:04" (2/3) ... [2021-12-16 03:24:05,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab62ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:24:05, skipping insertion in model container [2021-12-16 03:24:05,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:24:05" (3/3) ... [2021-12-16 03:24:05,937 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-12-16 03:24:05,941 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:24:05,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:24:05,972 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:24:05,977 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 03:24:05,977 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:24:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-12-16 03:24:05,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-16 03:24:05,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:24:05,997 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:24:05,997 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:24:06,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:24:06,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1670706302, now seen corresponding path program 1 times [2021-12-16 03:24:06,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:24:06,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969200790] [2021-12-16 03:24:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:06,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:24:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:24:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 03:24:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 03:24:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:24:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:24:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:24:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-16 03:24:06,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:24:06,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969200790] [2021-12-16 03:24:06,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969200790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:24:06,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:24:06,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:24:06,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121746279] [2021-12-16 03:24:06,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:24:06,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:24:06,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:24:06,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:24:06,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:24:06,543 INFO L87 Difference]: Start difference. First operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 03:24:06,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:24:06,977 INFO L93 Difference]: Finished difference Result 317 states and 419 transitions. [2021-12-16 03:24:06,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 03:24:06,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2021-12-16 03:24:06,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:24:06,986 INFO L225 Difference]: With dead ends: 317 [2021-12-16 03:24:06,986 INFO L226 Difference]: Without dead ends: 164 [2021-12-16 03:24:06,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:24:06,991 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 60 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 03:24:06,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 264 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 03:24:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-12-16 03:24:07,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 147. [2021-12-16 03:24:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.164835164835165) internal successors, (106), 92 states have internal predecessors, (106), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-12-16 03:24:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 183 transitions. [2021-12-16 03:24:07,027 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 183 transitions. Word has length 80 [2021-12-16 03:24:07,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:24:07,027 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 183 transitions. [2021-12-16 03:24:07,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 03:24:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2021-12-16 03:24:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-16 03:24:07,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:24:07,030 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:24:07,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:24:07,030 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:24:07,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:24:07,031 INFO L85 PathProgramCache]: Analyzing trace with hash 2065694084, now seen corresponding path program 1 times [2021-12-16 03:24:07,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:24:07,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418676970] [2021-12-16 03:24:07,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:07,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:24:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:24:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 03:24:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 03:24:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:24:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:24:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:24:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-16 03:24:07,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:24:07,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418676970] [2021-12-16 03:24:07,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418676970] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:24:07,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:24:07,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 03:24:07,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465305907] [2021-12-16 03:24:07,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:24:07,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 03:24:07,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:24:07,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 03:24:07,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:24:07,486 INFO L87 Difference]: Start difference. First operand 147 states and 183 transitions. Second operand has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 03:24:08,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:24:08,365 INFO L93 Difference]: Finished difference Result 240 states and 305 transitions. [2021-12-16 03:24:08,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-16 03:24:08,366 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2021-12-16 03:24:08,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:24:08,368 INFO L225 Difference]: With dead ends: 240 [2021-12-16 03:24:08,368 INFO L226 Difference]: Without dead ends: 193 [2021-12-16 03:24:08,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:24:08,370 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 78 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-16 03:24:08,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 1010 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-16 03:24:08,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-12-16 03:24:08,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 152. [2021-12-16 03:24:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 95 states have (on average 1.1578947368421053) internal successors, (110), 96 states have internal predecessors, (110), 39 states have call successors, (39), 16 states have call predecessors, (39), 17 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2021-12-16 03:24:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 188 transitions. [2021-12-16 03:24:08,389 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 188 transitions. Word has length 80 [2021-12-16 03:24:08,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:24:08,389 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 188 transitions. [2021-12-16 03:24:08,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 03:24:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2021-12-16 03:24:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-16 03:24:08,391 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:24:08,407 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:24:08,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:24:08,408 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:24:08,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:24:08,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1742615278, now seen corresponding path program 1 times [2021-12-16 03:24:08,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:24:08,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345561022] [2021-12-16 03:24:08,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:08,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:24:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:24:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 03:24:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 03:24:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:24:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:24:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:24:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-16 03:24:08,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:24:08,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345561022] [2021-12-16 03:24:08,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345561022] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:24:08,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541387916] [2021-12-16 03:24:08,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:08,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:24:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:24:08,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:24:08,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 03:24:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:09,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 2636 conjuncts, 27 conjunts are in the unsatisfiable core [2021-12-16 03:24:09,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:24:09,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-12-16 03:24:09,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-12-16 03:24:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-16 03:24:09,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:24:09,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541387916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:24:09,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:24:09,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 13 [2021-12-16 03:24:09,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032848429] [2021-12-16 03:24:09,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:24:09,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:24:09,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:24:09,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:24:09,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-12-16 03:24:09,478 INFO L87 Difference]: Start difference. First operand 152 states and 188 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-16 03:24:09,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:24:09,629 INFO L93 Difference]: Finished difference Result 224 states and 286 transitions. [2021-12-16 03:24:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:24:09,630 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 86 [2021-12-16 03:24:09,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:24:09,631 INFO L225 Difference]: With dead ends: 224 [2021-12-16 03:24:09,631 INFO L226 Difference]: Without dead ends: 182 [2021-12-16 03:24:09,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-12-16 03:24:09,633 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 18 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:24:09,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 1146 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:24:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-12-16 03:24:09,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 160. [2021-12-16 03:24:09,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 99 states have (on average 1.1515151515151516) internal successors, (114), 102 states have internal predecessors, (114), 42 states have call successors, (42), 16 states have call predecessors, (42), 18 states have return successors, (43), 41 states have call predecessors, (43), 41 states have call successors, (43) [2021-12-16 03:24:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 199 transitions. [2021-12-16 03:24:09,645 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 199 transitions. Word has length 86 [2021-12-16 03:24:09,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:24:09,646 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 199 transitions. [2021-12-16 03:24:09,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-16 03:24:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2021-12-16 03:24:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-16 03:24:09,648 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:24:09,648 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:24:09,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 03:24:09,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:24:09,870 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:24:09,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:24:09,871 INFO L85 PathProgramCache]: Analyzing trace with hash -305918410, now seen corresponding path program 1 times [2021-12-16 03:24:09,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:24:09,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654097122] [2021-12-16 03:24:09,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:09,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:24:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:24:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 03:24:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 03:24:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:24:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 03:24:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:24:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:24:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-16 03:24:10,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:24:10,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654097122] [2021-12-16 03:24:10,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654097122] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:24:10,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:24:10,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 03:24:10,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324417006] [2021-12-16 03:24:10,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:24:10,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 03:24:10,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:24:10,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 03:24:10,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:24:10,266 INFO L87 Difference]: Start difference. First operand 160 states and 199 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-16 03:24:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:24:10,946 INFO L93 Difference]: Finished difference Result 256 states and 325 transitions. [2021-12-16 03:24:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 03:24:10,947 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2021-12-16 03:24:10,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:24:10,948 INFO L225 Difference]: With dead ends: 256 [2021-12-16 03:24:10,948 INFO L226 Difference]: Without dead ends: 216 [2021-12-16 03:24:10,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:24:10,949 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 92 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-16 03:24:10,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 871 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-16 03:24:10,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-12-16 03:24:10,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 170. [2021-12-16 03:24:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.1415094339622642) internal successors, (121), 109 states have internal predecessors, (121), 42 states have call successors, (42), 16 states have call predecessors, (42), 21 states have return successors, (48), 44 states have call predecessors, (48), 41 states have call successors, (48) [2021-12-16 03:24:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 211 transitions. [2021-12-16 03:24:10,963 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 211 transitions. Word has length 95 [2021-12-16 03:24:10,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:24:10,963 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 211 transitions. [2021-12-16 03:24:10,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-16 03:24:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 211 transitions. [2021-12-16 03:24:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-16 03:24:10,965 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:24:10,965 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:24:10,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 03:24:10,966 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:24:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:24:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1176778786, now seen corresponding path program 1 times [2021-12-16 03:24:10,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:24:10,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492724008] [2021-12-16 03:24:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:10,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:24:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:24:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 03:24:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 03:24:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 03:24:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:24:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:24:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:24:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-16 03:24:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-16 03:24:11,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:24:11,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492724008] [2021-12-16 03:24:11,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492724008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:24:11,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:24:11,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-16 03:24:11,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174890034] [2021-12-16 03:24:11,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:24:11,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-16 03:24:11,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:24:11,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-16 03:24:11,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:24:11,289 INFO L87 Difference]: Start difference. First operand 170 states and 211 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2021-12-16 03:24:12,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:24:12,140 INFO L93 Difference]: Finished difference Result 282 states and 362 transitions. [2021-12-16 03:24:12,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 03:24:12,140 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 99 [2021-12-16 03:24:12,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:24:12,142 INFO L225 Difference]: With dead ends: 282 [2021-12-16 03:24:12,142 INFO L226 Difference]: Without dead ends: 226 [2021-12-16 03:24:12,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2021-12-16 03:24:12,143 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 316 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-16 03:24:12,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 817 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-16 03:24:12,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-12-16 03:24:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 162. [2021-12-16 03:24:12,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 101 states have (on average 1.1485148514851484) internal successors, (116), 103 states have internal predecessors, (116), 41 states have call successors, (41), 16 states have call predecessors, (41), 19 states have return successors, (42), 42 states have call predecessors, (42), 39 states have call successors, (42) [2021-12-16 03:24:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 199 transitions. [2021-12-16 03:24:12,153 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 199 transitions. Word has length 99 [2021-12-16 03:24:12,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:24:12,153 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 199 transitions. [2021-12-16 03:24:12,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2021-12-16 03:24:12,153 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 199 transitions. [2021-12-16 03:24:12,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-16 03:24:12,154 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:24:12,154 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:24:12,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 03:24:12,154 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:24:12,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:24:12,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1965360267, now seen corresponding path program 1 times [2021-12-16 03:24:12,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:24:12,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121176321] [2021-12-16 03:24:12,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:12,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:24:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:24:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 03:24:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 03:24:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:24:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 03:24:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:24:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:24:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:24:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 03:24:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-16 03:24:12,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:24:12,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121176321] [2021-12-16 03:24:12,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121176321] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:24:12,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193557411] [2021-12-16 03:24:12,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:12,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:24:12,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:24:12,632 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:24:12,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 03:24:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:13,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 2690 conjuncts, 104 conjunts are in the unsatisfiable core [2021-12-16 03:24:13,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:24:13,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-16 03:24:15,249 INFO L354 Elim1Store]: treesize reduction 120, result has 21.6 percent of original size [2021-12-16 03:24:15,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 176 treesize of output 140 [2021-12-16 03:24:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-16 03:24:15,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:24:17,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193557411] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:24:17,786 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 03:24:17,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 30] total 40 [2021-12-16 03:24:17,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936483995] [2021-12-16 03:24:17,786 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 03:24:17,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-12-16 03:24:17,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:24:17,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-12-16 03:24:17,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=2209, Unknown=0, NotChecked=0, Total=2352 [2021-12-16 03:24:17,788 INFO L87 Difference]: Start difference. First operand 162 states and 199 transitions. Second operand has 40 states, 34 states have (on average 3.1470588235294117) internal successors, (107), 29 states have internal predecessors, (107), 14 states have call successors, (32), 8 states have call predecessors, (32), 9 states have return successors, (30), 14 states have call predecessors, (30), 13 states have call successors, (30) [2021-12-16 03:24:18,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:24:18,198 INFO L93 Difference]: Finished difference Result 174 states and 209 transitions. [2021-12-16 03:24:18,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-16 03:24:18,199 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 34 states have (on average 3.1470588235294117) internal successors, (107), 29 states have internal predecessors, (107), 14 states have call successors, (32), 8 states have call predecessors, (32), 9 states have return successors, (30), 14 states have call predecessors, (30), 13 states have call successors, (30) Word has length 103 [2021-12-16 03:24:18,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:24:18,200 INFO L225 Difference]: With dead ends: 174 [2021-12-16 03:24:18,200 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 03:24:18,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 114 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=200, Invalid=2880, Unknown=0, NotChecked=0, Total=3080 [2021-12-16 03:24:18,202 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 14 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 42 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 03:24:18,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 192 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 321 Invalid, 0 Unknown, 42 Unchecked, 0.2s Time] [2021-12-16 03:24:18,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 03:24:18,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 03:24:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 03:24:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 03:24:18,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-12-16 03:24:18,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:24:18,203 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 03:24:18,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 34 states have (on average 3.1470588235294117) internal successors, (107), 29 states have internal predecessors, (107), 14 states have call successors, (32), 8 states have call predecessors, (32), 9 states have return successors, (30), 14 states have call predecessors, (30), 13 states have call successors, (30) [2021-12-16 03:24:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 03:24:18,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 03:24:18,205 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 03:24:18,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 03:24:18,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-16 03:24:18,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 03:24:18,528 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (or (not (= 195 |~#s_can_fail_allocator_static~0.base|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (not (= 195 |~#s_can_fail_allocator_static~0.base|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |bounded_malloc_#in~size| bounded_malloc_~size))) [2021-12-16 03:24:18,529 INFO L861 garLoopResultBuilder]: At program point aws_mem_acquireENTRY(lines 6928 6938) the Hoare annotation is: true [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point L6934(lines 6934 6936) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point L6935-1(line 6935) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L861 garLoopResultBuilder]: At program point L6935(line 6935) the Hoare annotation is: true [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point aws_mem_acquireEXIT(lines 6928 6938) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L861 garLoopResultBuilder]: At program point L6931-1(line 6931) the Hoare annotation is: true [2021-12-16 03:24:18,529 INFO L861 garLoopResultBuilder]: At program point L6931(line 6931) the Hoare annotation is: true [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point L6934-2(lines 6934 6936) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point L6933(line 6933) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point L6929-2(line 6929) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L861 garLoopResultBuilder]: At program point L6929-1(line 6929) the Hoare annotation is: true [2021-12-16 03:24:18,529 INFO L861 garLoopResultBuilder]: At program point L6929(line 6929) the Hoare annotation is: true [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point aws_mem_acquireFINAL(lines 6928 6938) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-16 03:24:18,529 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-16 03:24:18,530 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-16 03:24:18,530 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2021-12-16 03:24:18,530 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-12-16 03:24:18,530 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-12-16 03:24:18,530 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6923 6926) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point L6925-1(line 6925) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L861 garLoopResultBuilder]: At program point L6925(line 6925) the Hoare annotation is: true [2021-12-16 03:24:18,531 INFO L861 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6923 6926) the Hoare annotation is: true [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6923 6926) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L861 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: true [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point L8989(line 8989) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L858 garLoopResultBuilder]: For program point L8990-1(line 8990) no Hoare annotation was computed. [2021-12-16 03:24:18,531 INFO L861 garLoopResultBuilder]: At program point L8989-1(line 8989) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point L8989-2(line 8989) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point aws_string_new_from_stringENTRY(lines 8988 8991) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point L8990(line 8990) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point L8989-4(line 8989) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point L8989-5(line 8989) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_stringEXIT(lines 8988 8991) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_stringFINAL(lines 8988 8991) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point aws_string_new_from_arrayENTRY(lines 8964 8986) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point L8985-4(line 8985) no Hoare annotation was computed. [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point L8985-1(line 8985) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L861 garLoopResultBuilder]: At program point L8983(line 8983) the Hoare annotation is: true [2021-12-16 03:24:18,532 INFO L858 garLoopResultBuilder]: For program point L8985-2(line 8985) no Hoare annotation was computed. [2021-12-16 03:24:18,533 INFO L858 garLoopResultBuilder]: For program point L8983-1(line 8983) no Hoare annotation was computed. [2021-12-16 03:24:18,533 INFO L861 garLoopResultBuilder]: At program point L8985-3(line 8985) the Hoare annotation is: true [2021-12-16 03:24:18,533 INFO L861 garLoopResultBuilder]: At program point L8973(line 8973) the Hoare annotation is: true [2021-12-16 03:24:18,533 INFO L858 garLoopResultBuilder]: For program point L8973-1(line 8973) no Hoare annotation was computed. [2021-12-16 03:24:18,533 INFO L861 garLoopResultBuilder]: At program point L8965(line 8965) the Hoare annotation is: true [2021-12-16 03:24:18,533 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_arrayFINAL(lines 8964 8986) no Hoare annotation was computed. [2021-12-16 03:24:18,533 INFO L861 garLoopResultBuilder]: At program point L8965-1(line 8965) the Hoare annotation is: true [2021-12-16 03:24:18,533 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_arrayEXIT(lines 8964 8986) no Hoare annotation was computed. [2021-12-16 03:24:18,534 INFO L858 garLoopResultBuilder]: For program point L8974(lines 8974 8978) no Hoare annotation was computed. [2021-12-16 03:24:18,534 INFO L861 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: true [2021-12-16 03:24:18,534 INFO L858 garLoopResultBuilder]: For program point L8968-1(line 8968) no Hoare annotation was computed. [2021-12-16 03:24:18,535 INFO L858 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2021-12-16 03:24:18,535 INFO L858 garLoopResultBuilder]: For program point L8968-2(lines 8968 8972) no Hoare annotation was computed. [2021-12-16 03:24:18,535 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-12-16 03:24:18,535 INFO L861 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2021-12-16 03:24:18,535 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2021-12-16 03:24:18,535 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2021-12-16 03:24:18,535 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2021-12-16 03:24:18,536 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-16 03:24:18,536 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-16 03:24:18,536 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-16 03:24:18,536 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-16 03:24:18,536 INFO L861 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2021-12-16 03:24:18,536 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-12-16 03:24:18,536 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-12-16 03:24:18,536 INFO L858 garLoopResultBuilder]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2021-12-16 03:24:18,536 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-12-16 03:24:18,536 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-12-16 03:24:18,537 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-12-16 03:24:18,537 INFO L861 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: true [2021-12-16 03:24:18,537 INFO L861 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: true [2021-12-16 03:24:18,537 INFO L861 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: true [2021-12-16 03:24:18,537 INFO L858 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2021-12-16 03:24:18,537 INFO L861 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: true [2021-12-16 03:24:18,537 INFO L858 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2021-12-16 03:24:18,537 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2021-12-16 03:24:18,537 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2021-12-16 03:24:18,538 INFO L854 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-12-16 03:24:18,538 INFO L858 garLoopResultBuilder]: For program point L9338(lines 9338 9344) no Hoare annotation was computed. [2021-12-16 03:24:18,538 INFO L858 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2021-12-16 03:24:18,538 INFO L854 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: false [2021-12-16 03:24:18,538 INFO L858 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2021-12-16 03:24:18,538 INFO L854 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (and (let ((.cse0 (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616))) (<= (+ (* 18446744073709551616 .cse0) 18446744073709551616) (+ (* 18446744073709551616 (div (+ (* |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (- 1)) (* .cse0 18446744073709551616) 18446744073710786164) 18446744073709551616)) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|))) (<= 18446744073709551616 (+ (* 18446744073709551616 (div (+ (* |ULTIMATE.start_ensure_string_is_allocated_~len#1| (- 1)) 18446744073710786164) 18446744073709551616)) |ULTIMATE.start_ensure_string_is_allocated_~len#1|)) (= 195 |~#s_can_fail_allocator_static~0.base|) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165)) [2021-12-16 03:24:18,538 INFO L854 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-12-16 03:24:18,538 INFO L854 garLoopResultBuilder]: At program point L9338-2(lines 9338 9344) the Hoare annotation is: false [2021-12-16 03:24:18,538 INFO L854 garLoopResultBuilder]: At program point L6795(lines 6793 6798) the Hoare annotation is: false [2021-12-16 03:24:18,538 INFO L861 garLoopResultBuilder]: At program point L9347(line 9347) the Hoare annotation is: true [2021-12-16 03:24:18,538 INFO L858 garLoopResultBuilder]: For program point L9343-2(line 9343) no Hoare annotation was computed. [2021-12-16 03:24:18,538 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 03:24:18,538 INFO L854 garLoopResultBuilder]: At program point L9339(line 9339) the Hoare annotation is: false [2021-12-16 03:24:18,538 INFO L858 garLoopResultBuilder]: For program point L9339-1(line 9339) no Hoare annotation was computed. [2021-12-16 03:24:18,538 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 03:24:18,539 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 03:24:18,539 INFO L854 garLoopResultBuilder]: At program point L9343(line 9343) the Hoare annotation is: false [2021-12-16 03:24:18,539 INFO L854 garLoopResultBuilder]: At program point L9343-1(line 9343) the Hoare annotation is: false [2021-12-16 03:24:18,539 INFO L854 garLoopResultBuilder]: At program point L9335(line 9335) the Hoare annotation is: false [2021-12-16 03:24:18,539 INFO L858 garLoopResultBuilder]: For program point L9335-1(line 9335) no Hoare annotation was computed. [2021-12-16 03:24:18,539 INFO L854 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: false [2021-12-16 03:24:18,539 INFO L854 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: false [2021-12-16 03:24:18,539 INFO L858 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2021-12-16 03:24:18,539 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 03:24:18,540 INFO L854 garLoopResultBuilder]: At program point L9340(line 9340) the Hoare annotation is: false [2021-12-16 03:24:18,540 INFO L858 garLoopResultBuilder]: For program point L9340-1(line 9340) no Hoare annotation was computed. [2021-12-16 03:24:18,540 INFO L858 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2021-12-16 03:24:18,540 INFO L858 garLoopResultBuilder]: For program point L9332(line 9332) no Hoare annotation was computed. [2021-12-16 03:24:18,540 INFO L854 garLoopResultBuilder]: At program point L9332-2(line 9332) the Hoare annotation is: false [2021-12-16 03:24:18,540 INFO L858 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2021-12-16 03:24:18,540 INFO L854 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= 195 |~#s_can_fail_allocator_static~0.base|) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165)) [2021-12-16 03:24:18,540 INFO L858 garLoopResultBuilder]: For program point L9332-3(line 9332) no Hoare annotation was computed. [2021-12-16 03:24:18,540 INFO L858 garLoopResultBuilder]: For program point L9332-4(line 9332) no Hoare annotation was computed. [2021-12-16 03:24:18,541 INFO L858 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2021-12-16 03:24:18,541 INFO L854 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: false [2021-12-16 03:24:18,541 INFO L854 garLoopResultBuilder]: At program point L9341(line 9341) the Hoare annotation is: false [2021-12-16 03:24:18,541 INFO L858 garLoopResultBuilder]: For program point L9341-1(line 9341) no Hoare annotation was computed. [2021-12-16 03:24:18,541 INFO L854 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: false [2021-12-16 03:24:18,541 INFO L854 garLoopResultBuilder]: At program point L9345(line 9345) the Hoare annotation is: false [2021-12-16 03:24:18,541 INFO L858 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-12-16 03:24:18,541 INFO L858 garLoopResultBuilder]: For program point L9345-1(line 9345) no Hoare annotation was computed. [2021-12-16 03:24:18,541 INFO L858 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2021-12-16 03:24:18,542 INFO L854 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: false [2021-12-16 03:24:18,542 INFO L858 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2021-12-16 03:24:18,542 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= 195 |~#s_can_fail_allocator_static~0.base|) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165)) [2021-12-16 03:24:18,542 INFO L858 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-12-16 03:24:18,542 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-12-16 03:24:18,542 INFO L858 garLoopResultBuilder]: For program point L9329(lines 9329 9346) no Hoare annotation was computed. [2021-12-16 03:24:18,542 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-16 03:24:18,542 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-16 03:24:18,542 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-16 03:24:18,543 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-16 03:24:18,543 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-16 03:24:18,543 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-16 03:24:18,545 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-16 03:24:18,546 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 03:24:18,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:24:18 BoogieIcfgContainer [2021-12-16 03:24:18,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 03:24:18,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 03:24:18,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 03:24:18,555 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 03:24:18,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:24:05" (3/4) ... [2021-12-16 03:24:18,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 03:24:18,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-12-16 03:24:18,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-16 03:24:18,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_acquire [2021-12-16 03:24:18,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_array [2021-12-16 03:24:18,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-16 03:24:18,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-12-16 03:24:18,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-16 03:24:18,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-12-16 03:24:18,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-16 03:24:18,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-12-16 03:24:18,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2021-12-16 03:24:18,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2021-12-16 03:24:18,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-16 03:24:18,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-16 03:24:18,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2021-12-16 03:24:18,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_string [2021-12-16 03:24:18,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 154 nodes and edges [2021-12-16 03:24:18,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-12-16 03:24:18,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-12-16 03:24:18,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-12-16 03:24:18,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-16 03:24:18,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-16 03:24:18,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 03:24:18,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 03:24:19,198 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 03:24:19,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 03:24:19,199 INFO L158 Benchmark]: Toolchain (without parser) took 16285.63ms. Allocated memory was 115.3MB in the beginning and 396.4MB in the end (delta: 281.0MB). Free memory was 70.0MB in the beginning and 130.3MB in the end (delta: -60.3MB). Peak memory consumption was 270.3MB. Max. memory is 16.1GB. [2021-12-16 03:24:19,199 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 03:24:19,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1853.25ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 69.8MB in the beginning and 106.9MB in the end (delta: -37.1MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2021-12-16 03:24:19,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.89ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 95.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 03:24:19,199 INFO L158 Benchmark]: Boogie Preprocessor took 91.66ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 88.1MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 03:24:19,199 INFO L158 Benchmark]: RCFGBuilder took 917.48ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 88.1MB in the beginning and 135.1MB in the end (delta: -47.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-12-16 03:24:19,200 INFO L158 Benchmark]: TraceAbstraction took 12621.60ms. Allocated memory was 232.8MB in the beginning and 396.4MB in the end (delta: 163.6MB). Free memory was 134.1MB in the beginning and 260.4MB in the end (delta: -126.3MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2021-12-16 03:24:19,200 INFO L158 Benchmark]: Witness Printer took 643.39ms. Allocated memory is still 396.4MB. Free memory was 260.4MB in the beginning and 130.3MB in the end (delta: 130.0MB). Peak memory consumption was 180.4MB. Max. memory is 16.1GB. [2021-12-16 03:24:19,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1853.25ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 69.8MB in the beginning and 106.9MB in the end (delta: -37.1MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.89ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 95.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.66ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 88.1MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 917.48ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 88.1MB in the beginning and 135.1MB in the end (delta: -47.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12621.60ms. Allocated memory was 232.8MB in the beginning and 396.4MB in the end (delta: 163.6MB). Free memory was 134.1MB in the beginning and 260.4MB in the end (delta: -126.3MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Witness Printer took 643.39ms. Allocated memory is still 396.4MB. Free memory was 260.4MB in the beginning and 130.3MB in the end (delta: 130.0MB). Peak memory consumption was 180.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 658 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 578 mSDsluCounter, 4300 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 42 IncrementalHoareTripleChecker+Unchecked, 3403 mSDsCounter, 407 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2427 IncrementalHoareTripleChecker+Invalid, 2876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 407 mSolverCounterUnsat, 897 mSDtfsCounter, 2427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=4, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 190 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 202 PreInvPairs, 204 NumberOfFragments, 142 HoareAnnotationTreeSize, 202 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 94 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 732 NumberOfCodeBlocks, 732 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 724 ConstructedInterpolants, 7 QuantifiedInterpolants, 3876 SizeOfPredicates, 43 NumberOfNonLiveVariables, 5326 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 307/334 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-16 03:24:19,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE